Pervious concrete mix optimization for sustainable pavement solution

Energy Management of Municipal Transportation Facilities and Transport - EMMFT 2017

Barii, Ivana^1 ; Gali, Mario^1 ; Grubea, Ivanka Netinger^1

University of Osijek, Faculty of Civil Engineering Osijek, Drinska 16a, Osijek

31000, Croatia^1

关键词: Coarse aggregates;    Compressive and flexural strengths;    Drainage capability;    Financial savings;    Optimization modeling;    Pavement construction;    Pervious concrete;    Sustainable pavements;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/90/1/012091/pdf
DOI  :  10.1088/1755-1315/90/1/012091

来源: IOP

【 摘 要 】

In order to fulfill requirements of sustainable road construction, new materials for pavement construction are investigated with the main goal to preserve natural resources and achieve energy savings. One of such sustainable pavement material is pervious concrete as a new solution for low volume pavements. To accommodate required strength and porosity as the measure of appropriate drainage capability, four mixtures of pervious concrete are investigated and results of laboratory tests of compressive and flexural strength and porosity are presented. For defining the optimal pervious concrete mixture in a view of aggregate and financial savings, optimization model is utilized and optimal mixtures defined according to required strength and porosity characteristics. Results of laboratory research showed that comparing single-sized aggregate pervious concrete mixtures, coarse aggregate mixture result in increased porosity but reduced strengths. The optimal share of the coarse aggregate turn to be 40.21%, the share of fine aggregate is 49.79% for achieving required compressive strength of 25 MPa, flexural strength of 4.31 MPa and porosity of 21.66%.